cluster may be unhealthy: failed to list members

[root@kube-etcd etcd]# etcdctl -C http://etcd:2379 cluster-health

cluster may be unhealthy: failed to list members

Error:  client: etcd cluster is unavailable or misconfigured; error #0: dial tcp: lookup etcd on 114.114.114.114:53: no such host

error #0: dial tcp: lookup etcd on 114.114.114.114:53: no such host

[root@kube-etcd etcd]# vi /etc/hosts    配置hosts

127.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4

::1         localhost localhost.localdomain localhost6 localhost6.localdomain6

127.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4

::1         localhost localhost.localdomain localhost6 localhost6.localdomain6

10.0.0.10    etcd

10.0.0.11    kube-master

10.0.0.12    kube-node-1

10.0.0.13    kube-node-2

10.0.0.14    kube-node-3

[root@kube-etcd etcd]# etcdctl -C http://etcd:2379 cluster-health

member 8e9e05c52164694d is healthy: got healthy result from http://kube-etcd:2379

cluster is healthy

[root@kube-etcd etcd]# etcdctl -C http://etcd:4001 cluster-health

member 8e9e05c52164694d is healthy: got healthy result from http://kube-etcd:2379

cluster is healthy